#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
int main() {
	int x = 1;
	if (fork() == 0)
		printf("p1: x = %d (PID: %d)\n",++x,getpid());
	printf("p2: x= %d (PID: %d)\n", --x,getpid());
	exit(0);
}